The government says England's "world-class university sector" has responded well to its reforms, but that it will continue to monitor their effect on demand from mature and part-time students.
Some researchers, such as Paul Palmer at the University of Edinburgh, in Scotland, think satellites could also monitor the effect of policies such as carbon trading to see if they can rein in emissions.
And some researchers, such as Paul Palmer at the University of Edinburgh in Scotland, think that satellites could also monitor the effect of policies, such as carbon trading, that are adopted to rein in emissions.